Home / 30,659.82-42,301.83-17,229.66

Finding the Fourth Proportional to 30,659.82, 42,301.83 and 17,229.66

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Solution

The fourth proportional to 30,659.82, 42,301.83 and 17,229.66 is: 23,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.82 : 42,301.83 = 17,229.66 : x
  2. Step 2: Convert to fraction form
    30,659.82/42,301.83 = 17,229.66/x
  3. Step 3: Cross multiply
    30,659.82x = 42,301.83 × 17,229.66
  4. Step 4: Simplify right side
    30,659.82x = 728,846,148.28
  5. Step 5: Solve for x
    x = 728,846,148.28/30,659.82
  6. Step 6: Final answer
    x = 23,772.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.